/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jasper.security;

/**
 * Static class used to preload java classes when using the Java SecurityManager
 * so that the defineClassInPackage RuntimePermission does not trigger an
 * AccessControlException.
 * 
 * @author Jean-Francois Arcand
 */

public final class SecurityClassLoad {

	private static org.apache.juli.logging.Log log = org.apache.juli.logging.LogFactory
			.getLog(SecurityClassLoad.class);

	public static void securityClassLoad(ClassLoader loader) {

		if (System.getSecurityManager() == null) {
			return;
		}

		String basePackage = "org.apache.jasper.";
		try {
			loader.loadClass(basePackage
					+ "runtime.JspFactoryImpl$PrivilegedGetPageContext");
			loader.loadClass(basePackage
					+ "runtime.JspFactoryImpl$PrivilegedReleasePageContext");

			loader.loadClass(basePackage + "runtime.JspRuntimeLibrary");
			loader.loadClass(basePackage
					+ "runtime.JspRuntimeLibrary$PrivilegedIntrospectHelper");

			loader.loadClass(basePackage
					+ "runtime.ServletResponseWrapperInclude");
			loader.loadClass(basePackage + "runtime.TagHandlerPool");
			loader.loadClass(basePackage + "runtime.JspFragmentHelper");

			loader.loadClass(basePackage + "runtime.ProtectedFunctionMapper");
			loader.loadClass(basePackage + "runtime.ProtectedFunctionMapper$1");
			loader.loadClass(basePackage + "runtime.ProtectedFunctionMapper$2");
			loader.loadClass(basePackage + "runtime.ProtectedFunctionMapper$3");
			loader.loadClass(basePackage + "runtime.ProtectedFunctionMapper$4");

			loader.loadClass(basePackage + "runtime.PageContextImpl");
			loader.loadClass(basePackage + "runtime.PageContextImpl$1");
			loader.loadClass(basePackage + "runtime.PageContextImpl$2");
			loader.loadClass(basePackage + "runtime.PageContextImpl$3");
			loader.loadClass(basePackage + "runtime.PageContextImpl$4");
			loader.loadClass(basePackage + "runtime.PageContextImpl$5");
			loader.loadClass(basePackage + "runtime.PageContextImpl$6");
			loader.loadClass(basePackage + "runtime.PageContextImpl$7");
			loader.loadClass(basePackage + "runtime.PageContextImpl$8");
			loader.loadClass(basePackage + "runtime.PageContextImpl$9");
			loader.loadClass(basePackage + "runtime.PageContextImpl$10");
			loader.loadClass(basePackage + "runtime.PageContextImpl$11");
			loader.loadClass(basePackage + "runtime.PageContextImpl$12");
			loader.loadClass(basePackage + "runtime.PageContextImpl$13");

			loader.loadClass(basePackage + "runtime.JspContextWrapper");

			// Trigger loading of class and reading of property
			SecurityUtil.isPackageProtectionEnabled();

			loader.loadClass(basePackage + "servlet.JspServletWrapper");

			loader.loadClass(basePackage + "runtime.JspWriterImpl$1");
		} catch (ClassNotFoundException ex) {
			log.error("SecurityClassLoad", ex);
		}
	}
}
